Lock escutcheon



FIG. 1 is a perspective view of a lock escutcheon in accordance with thedesign;

FIG. 2 is a front view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines represent portions of the lock escutcheon that form nopart of the claimed design.

CLAIM The ornamental design for a lock escutcheon, as shown anddescribed.